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3(30+0.6666666667y)+2y=90
We move all terms to the left:
3(30+0.6666666667y)+2y-(90)=0
We add all the numbers together, and all the variables
3(0.6666666667y+30)+2y-90=0
We add all the numbers together, and all the variables
2y+3(0.6666666667y+30)-90=0
We multiply parentheses
2y+0y+90-90=0
We add all the numbers together, and all the variables
3y=0
y=0/3
y=0
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